Improvement bn snow-plows for railroads



P. BOYDE'N.

Car-Track Clearer.

Patent ed Apr. 29, 1862.

".PETERS, PHOTO-UTKOGRAPHEFI, WASMNGTON, D. C.

UNITED STATES PATENT OFFICE.

PARDON BOYDEN, OF SANDY CREEK, NEIV YORK.

lMPROVEMENT EN SNOW-PLOWS FOR RAlLROADS.

Specification forming part of Letters Patent No. 35,07 E, dated April29, 1862.

T0 61/ whom, it may concern.-

Be it known that I, PARDON BOYDEN, of Sandy Creek, in the county ofOswego and State of New York, have invented a new and useful.Improvement in Railroad Snow-Flows; and I do hereby declare that thefollowing is a full, clear, and exact description of the same, referencebeing had to the annexed drawings, forming part of this specification,in the several figures of which similar characters of reference denotethe same parts.

Figure 1 represents a side elevation of my improved snow-plow secured toa railroadtruclc, a portion only of which is shown. Fi g. 2 is a planview of the same.

The object of my invention is to cause the effectual removal of snowfrom raihroad-tracks and thereby admit of the free passage of the train.

I am aware that many plans have been de vised to effect this object, butowing to their defective construction they merely effect the removal ofsnow at the commencement of the operation, but after aslow movement fora short distance the snow becomes packed and the machine fails tooperate.

The nature of my invention consists of an inclined bed or platform,consisting of two parts, A and 13, each part having a differentinclination and the sides and rear portion of which are protected bypeculiarly-shaped u nright pieces of metal, and in the bottom of whichtraverse two endless cleavers or elevators, the same forcing the snowclear of the machine through exit-passages, as hereinafter to bedesm'ibed.

To enable others to make and use my improved snow-plow, I will proceedto describe its construction and operation, as follows:

A and 13 represent the bed or bottom of the plow. The portion A,whichforms the cutter, is made of cast-iron or heavy wrought-iron, and thepart 13 of boiler or heavy plate-iron.

O and C are the sides, and are constructed of cast-iron. or plate-ironand are shapcdas shown by drawings. D and D constitute the rear portionof the'machine, and consist of peculiarlyshaped upright pieces of boileriron, and join together at a and terminate ath, thereby forming adivision, E, which divides the machine in the rear, forming twodischarge-passages. In the rear and at either sides of the machine aportion of the bed or platform left unprotected, which formsexit-passages .for the snow, as at G and G. In the bottom of the machineare two oblong openings, 0 and 0, through which traverse the snowelevators or removers c and c.

I are timbers which support and brace the rear portion of the machine.

J and J are shafts which extend across the machine and have theirbearings in parts se cured to the timbers I. Secured around said shaftsand revolving with. the same are two endless aprons, L and L. Theseaprons are provided with a series of elevators, c and c. The endlessseries of elevators receive their movement by reason of cog-wheels 1''upon shaft .T' meshing with cog-wheels h upon the driving-shaft N; M,railroad-track.

K represents a railroad-truck, to which the plow is rigidly secured bybraces or other means which may be deemed practicable.

The operation of myinvention is as follows: The plow being drivenforward, the snow is forced upon the bed or bottom of the same, and isbrought in contact (by reason of its accumulatin g) with the removers orelevators c 0, when they, by reason of their constant upward movement,elevate the snow and force it through the exit-passages G and G, clearof the machine, and thus the operation continues so long as snow isdeposited upon the machine. The endless elevators c 0 will remove andforce it through the dischargepassagcs clear of the machine and therailroad-track.

llaving described the construction and operation of my invention, what Iclaim, and desireto secure by Letters Patent, is

The construction of the frame or body of the plow, as herein set forth,in which traverse two endless removers or elevators which effectuallydeposit the snow clear of the machine and the railroad.

In testimony whereof I have hereunto signed my name, before twosubscribing witnesses, this 20th day of March, 1862.

PARDON BOYDEN.

lVit-ncsscs:

JAS. REED, WM. II. HEMHIUK.

